Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Clade scotokaryotes Cavalier-Smith 2000
                     Clade podiates Cavalier-Smith 2012
                       [crown] Clade Amorphea Adl et al. 2012
                         [crown] Clade Opisthokonta Cavalier-Smith 1987
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             [Class Agnatha Cope, 1889 [paraphyletic]]
                                               [Subclass †Myllokunmingiida Shu, 2003]
                                               ["ostracoderms"]
                                               [Subclass †Thelodonti Kiaer, 1932]
                                               1 [Subclass Myxinoidea - hagfishes]
                                               1.0 [Order Myxinoidea - hagfishes]
                                               2.1 Subclass Petromyzontida - lampreys
                                               2.1.0 [Order Petromyzontia]
                                               2.1.1.0 [Order Petromyzoniformes] see Order Petromyzontiformes Berg, 1940
                                               2.1.n [Subclass Cephalaspidomorpha] see Class Agnatha Cope, 1889
                                               2.1.n [Subclass Cephalaspidomorphi Moy-Thomas & Mile, 1971] see Class Agnatha Cope, 1889
                                               2.2.1 [Subclass †Conodonta Eichenberg, 1930] see Class Conodonta Eichenberg, 1930
                                               2.2.2.1 [Subclass †Pteraspidomorphi Goodrich, 1909] see Class Pteraspidomorphi Goodrich, 1909
                                               2.2.2.2.1.1 [Order †Anaspida Traquair - anaspids] see Class Anaspida Traquair
                                               2.2.2.2.2.1 [Order †Thelodonti Jaekel, 1911] see Class Thelodonti Jaekel, 1911
                                               2.2.2.2.2.2.1 [Subclass †unnamed] see Class Cephalaspidomorphi Moy-Thomas & Mile, 1971